(19)
(11) EP 2 417 325 A2

(12)

(88) Date of publication A3:
17.02.2011

(43) Date of publication:
15.02.2012 Bulletin 2012/07

(21) Application number: 10742327.9

(22) Date of filing: 04.06.2010
(51) International Patent Classification (IPC): 
E21B 17/10(2006.01)
(86) International application number:
PCT/US2010/037441
(87) International publication number:
WO 2010/118439 (14.10.2010 Gazette 2010/41)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

(30) Priority: 07.04.2009 US 167482 P
17.12.2009 US 287665 P
26.08.2009 US 237202 P
30.06.2009 US 221716 P

(71) Applicant: Frank's International, Inc.
Houston, TX 77042 (US)

(72) Inventors:
  • BUYTAERT, Jean
    Mineral Wells TX 76067 (US)
  • MILLER, Eugene, Edward
    Weatherford TX 76086 (US)
  • HINING, Ira, Eugene
    Mineral Wells TX 76067 (US)

(74) Representative: Dowling, Andrew 
Haseltine Lake LLP Lincoln House, 5th Floor 300 High Holborn
GB-London WC1V 7JH
GB-London WC1V 7JH (GB)

   


(54) INTERFERENCE-FIT STOP COLLAR AND METHOD OF POSITIONING A DEVICE ON A TUBULAR